// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: String traversal using for..of
info: |
    String literals should be able to be traversed using a `for...of` loop. The
    loop body should execute once for every BMP character.
es6id: 13.6.4
---*/

function Test() {
    var string = 'abc';
    var first = 'a';
    var second = 'b';
    var third = 'c';

    var iterationCount = 0;

    for (var value of string) {
      assert.sameValue(value, first);
      first = second;
      second = third;
      third = null;
      iterationCount += 1;
    }

    assert.sameValue(iterationCount, 3);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
